Bill > H3523

This bill proposes significant changes to building electrification requirements in Massachusetts, mandating that newly constructed or substantially remodeled commercial and residential buildings use electricity instead of fossil fuels for space heating and cooling, cooking, clothes drying, and water heating (including for pools and spas). Specifically, the bill focuses on biolabs and hospitals, requiring them to progressively reduce their carbon dioxide equivalent (CO2e) emissions, with a goal of achieving net zero emissions by 2050. For biolabs, the bill requires heating, ventilation, and air conditioning (HVAC) systems to primarily use non-fossil fuel heating methods, with limited allowances for on-site combustion as a supplemental heating source. Hospitals must meet increasingly stringent CO2e emission targets, starting at 15.4 kilograms per square foot per year from 2025-2029 and decreasing to 2.4 kilograms per square foot per year from 2045-2049. The Department of Energy Resources will develop regulations for implementation, and municipalities can impose additional reporting requirements. The bill includes exemptions for certain appliances and allows for waivers in cases of extraordinary challenges. Additionally, the bill requires gas utilities to submit a plan for a just transition to a low-carbon economy, addressing workforce development and environmental justice concerns. The requirements will take effect on January 1, 2026, giving businesses and organizations time to prepare for the new standards.

Transportation and Infrastructure

https://malegislature.gov/Bills/194/H3523